You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

22 lines
595 B

const snarkjs = require("snarkjs");
const bigInt = snarkjs.bigInt;
module.exports = function hexBits(cir, witness, sig, nBits) {
let v = bigInt(0);
for (let i=nBits-1; i>=0; i--) {
v = v.shiftLeft(1);
const name = sig+"["+i+"]";
const idx = cir.getSignalIdx(name);
const vbit = bigInt(witness[idx].toString());
if (vbit.equals(bigInt(1))) {
v = v.add(bigInt(1));
} else if (vbit.equals(bigInt(0))) {
v;
} else {
console.log("Not Binary: "+name);
}
}
return v.toString(16);
};